On Tue, Jun 19, 2012 at 09:17:27PM +0530, Mohammed Shafi Shajakhan wrote:
> From: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
>
> add a new file wow.c which takes care of the hardware code
> for WoW.
[...]
> ---
> 3 files changed, 591 insertions(+), 0 deletions(-)
> create mode 100644 drivers/net/wireless/ath/ath9k/wow.c
>
> diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
> index 9c41232..2ad8f94 100644
> --- a/drivers/net/wireless/ath/ath9k/Makefile
> +++ b/drivers/net/wireless/ath/ath9k/Makefile
> @@ -17,6 +17,7 @@ ath9k-$(CONFIG_ATH9K_DFS_CERTIFIED) += \
> dfs.o \
> dfs_pattern_detector.o \
> dfs_pri_detector.o
> +ath9k-$(CONFIG_PM_SLEEP) += wow.o
>
> obj-$(CONFIG_ATH9K) += ath9k.o
>
> diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
> index 2a20216..8e417c1 100644
> --- a/drivers/net/wireless/ath/ath9k/hw.h
> +++ b/drivers/net/wireless/ath/ath9k/hw.h
> @@ -1110,6 +1110,37 @@ ath9k_hw_get_btcoex_scheme(struct ath_hw *ah)
> }
> #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
>
> +
> +#ifdef CONFIG_PM_SLEEP
> +const char *ath9k_hw_wow_event_to_string(u32 wow_event);
> +void ath9k_hw_wow_apply_pattern(struct ath_hw *ah, u8 *user_pattern,
> + u8 *user_mask, int pattern_count,
> + int pattern_len);
> +u32 ath9k_hw_wow_wakeup(struct ath_hw *ah);
> +void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable);
> +#else
> +static inline const char *ath9k_hw_wow_event_to_string(u32 wow_event)
> +{
> + return NULL;
> +}
> +static inline void ath9k_hw_wow_apply_pattern(struct ath_hw *ah,
> + u8 *user_pattern, u8 *user_mask,
> + int pattern_count,
> + int pattern_len)
> +{
> + return;
> +}
No need to return void function and also fix indent for arguments
> +static inline u32 ath9k_hw_wow_wakeup(struct ath_hw *ah)
> +{
> + return 0;
> +}
> +static inline void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable)
> +{
> +}
> +#endif
> +
> +
> +
> #define ATH9K_CLOCK_RATE_CCK 22
> #define ATH9K_CLOCK_RATE_5GHZ_OFDM 40
> #define ATH9K_CLOCK_RATE_2GHZ_OFDM 44
> diff --git a/drivers/net/wireless/ath/ath9k/wow.c b/drivers/net/wireless/ath/ath9k/wow.c
> new file mode 100644
> index 0000000..66a7a74
> --- /dev/null
> +++ b/drivers/net/wireless/ath/ath9k/wow.c
> @@ -0,0 +1,559 @@
> +
> +/*
> + * Copyright (c) 2008-2011 Atheros Communications Inc.
> + *
Please update the Copyright.
> +
> +#include <linux/export.h>
> +#include "ath9k.h"
> +#include "reg.h"
> +#include "hw-ops.h"
> +
[...]
> + if (AR_SREV_9285(ah) || AR_SREV_9287(ah))
> + set = AR9285_WA_DEFAULT;
> + else
> + set = AR9280_WA_DEFAULT;
> +
> + /*
> + * In AR9280 and AR9285, bit 14 in WA register
> + * (disable L1) should only be set when device
> + * enters D3 state and be cleared when device
> + * comes back to D0
> + */
> +
> + if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
> + set = set | AR_WA_D3_L1_DISABLE;
> +
> + clr = AR_WA_UNTIE_RESET_EN;
> + set = set | AR_WA_RESET_EN | AR_WA_POR_SHORT;
simplify it as |=
-Rajkumar
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